Finding the Fourth Proportional to 163.73, 225.93 and 104.63
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Solution
The fourth proportional to 163.73, 225.93 and 104.63 is: 144.38
Step by Step Solution
- Step 1: Write the proportion equation
163.73 : 225.93 = 104.63 : x - Step 2: Convert to fraction form
163.73/225.93 = 104.63/x - Step 3: Cross multiply
163.73x = 225.93 × 104.63 - Step 4: Simplify right side
163.73x = 23,639.17 - Step 5: Solve for x
x = 23,639.17/163.73 - Step 6: Final answer
x = 144.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.